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| author | Owain Davies <116417456+OTheDev@users.noreply.github.com> | 2023-03-03 10:51:32 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-03-03 10:51:32 (GMT) |
| commit | 4e7c0cbf59595714848cf9827f6e5b40c3985924 (patch) | |
| tree | 52163f13b03db3f2fe7ef1c2cd9616aaa40509c2 | |
| parent | 12011dd8bafa6867f2b4a8a9e8e54cb0fbf006e4 (diff) | |
| download | cpython-4e7c0cbf59595714848cf9827f6e5b40c3985924.zip cpython-4e7c0cbf59595714848cf9827f6e5b40c3985924.tar.gz cpython-4e7c0cbf59595714848cf9827f6e5b40c3985924.tar.bz2 | |
gh-101754: Document that Windows converts keys in `os.environ` to uppercase (GH-101840)
| -rw-r--r-- | Doc/library/os.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Doc/library/os.rst b/Doc/library/os.rst index 85924d0..23ce987 100644 --- a/Doc/library/os.rst +++ b/Doc/library/os.rst @@ -201,6 +201,11 @@ process and user. ``'surrogateescape'`` error handler. Use :data:`environb` if you would like to use a different encoding. + On Windows, the keys are converted to uppercase. This also applies when + getting, setting, or deleting an item. For example, + ``environ['monty'] = 'python'`` maps the key ``'MONTY'`` to the value + ``'python'``. + .. note:: Calling :func:`putenv` directly does not change :data:`os.environ`, so it's better |